<template>
  <div class="swiper-container">
    <swiper class="swiper" :options="swiperOption">
      <swiper-slide v-for="item in imgListUrl" :key="item.id">
        <img :src="item.imgUrl" @click="sendImgUrl(item.imgUrl)" />
      </swiper-slide>
      <div class="swiper-button-prev" slot="button-prev"></div>
      <div class="swiper-button-next" slot="button-next"></div>
    </swiper>
  </div>
</template>

<script>
import { Swiper, SwiperSlide } from 'vue-awesome-swiper'
import 'swiper/css/swiper.css'
export default {
  name: 'ImageList',
  components: {
    Swiper,
    SwiperSlide
  },
  props: {
    imgListUrl: {
      type: Array,
      default: () => []
    }
  },
  data() {
    return {
      // 轮播图配置对象
      swiperOption: {
        // 同一个页面展示几个轮播图
        slidesPerView: 5,
        // 是否循环播放
        loop: false,
        // 导航按钮（左箭头、右箭头）
        navigation: {
          nextEl: '.swiper-button-next',
          prevEl: '.swiper-button-prev'
        }
      }
    }
  },
  // 通过时间总线向大图区域传递点击的图片
  methods: {
    sendImgUrl(url) {
      this.eventBus.$emit('sendImgUrl', url)
    }
  }
}
</script>

<style lang="less" scoped>
img {
  width: 100%;
  height: 100%;
  border: 1px solid #ccc;
  padding: 2px;
  width: 50px;
  height: 50px;
  display: block;

  &.active {
    border: 2px solid #f60;
    padding: 1px;
  }

  &:hover {
    border: 2px solid #f60;
    padding: 1px;
  }
}
</style>
<style>
.swiper img {
  margin-left: 12px;
}
.swiper-navigation {
  width: 400px;
}
.swiper-button-prev {
  left: 0;
  right: auto;
}
.swiper-button-next {
  left: auto;
  right: 0;
}

.swiper-button-next,
.swiper-button-prev {
  box-sizing: border-box;
  width: 12px;
  height: 56px;
  background: rgb(235, 235, 235);
  border: 1px solid rgb(204, 204, 204);
  top: 0;
  margin-top: 0;
  &::after {
    font-size: 12px;
  }
}
</style>
